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Finding the Third Proportional to 3,636,412.31 and 7,911,281.81

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Solution

The third proportional to 3,636,412.31 and 7,911,281.81 is: 17,211,574.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636,412.31 : 7,911,281.81 = 7,911,281.81 : x
  2. Step 2: Convert to fraction form
    3,636,412.31/7,911,281.81 = 7,911,281.81/x
  3. Step 3: Cross multiply
    3,636,412.31x = 7,911,281.81 × 7,911,281.81
  4. Step 4: Simplify right side
    3,636,412.31x = 62,588,379,916,793.28
  5. Step 5: Solve for x
    x = 62,588,379,916,793.28/3,636,412.31
  6. Step 6: Final answer
    x = 17,211,574.08

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.